On a particular day, a place accumulates 15 heating degree days. What was the daily mean temperature on that day?
A) 65°F
B) 15°F
C) 80°F
D) 40°F
E) 50°F

Question

Quizplus · Accepted Answer

Heating degree days are calculated as the difference between the daily mean temperature and a base temperature, typically 65°F, when no heating is needed. If a place accumulates 15 heating degree days, it means the daily mean temperature was 15 degrees below the base of 65°F, which is 50°F.

On a Particular Day, a Place Accumulates 15 Heating Degree